如图所示电路电源电压为9v灯l上标有“6v 3w 字样当开关s闭合时该灯恰好能正常�光．请你应用所学知识求出至�5个有关该电路的电学 Sketch Coloring Page

如图所示电路电源电压为9v灯l上标有“6v 3w 字样当开关s闭合时该灯恰好能正常�光．请你应用所学知识求出至�5个有关该电路的电学 Template

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tomski如图所示电路电源电压为9v灯l上标有“6v 3w 字样当开关s闭合时该灯恰好能正常�光．请你应用所学知识求出至�5个有关该电路的电学 coloring

27． 如图21所示的电路中电源电压为9V且保持不变灯泡上标有“6V 6W 字样当�动变阻器的�片置于最右端时电压表的读数为2V求 sketch template

如图所示电源电压恒为9V小灯泡L标有“6V 3W 字样�动变阻器R1的阻值变化范围为0 20Ω电阻R2的阻值为30Ω．1小灯泡的 sketch template

如图所示的电路中电源电压为9V当开关闭合时灯L1两端的电压也为9V则产生故障的原因可能是或 ——青夏教育精英家教�—— sketch template

如图所示电路电源电压为9V灯L上标有“6V 3W 字样当开关S闭合时该灯恰好能正常�光．请你应用所学知识求出至�5个有关该电路的电学 sketch template

如图所示电源电压为9V且保持不变．�动变阻器的最大阻值为24ΩR0为未知阻值的定值电阻小灯泡标有“6V 3W 字样求1灯泡的 sketch template

如图2所示的电路中电源电压不变开关闭合后若�动变阻器的�片P�右端移动则 A电压表的示数和电流表的示数都增大 B电压表的示数和电流 sketch template

如图所示的电路 E=9Vr=1ΩR2=2Ω ．灯A标有“12V12W 灯B标有“4V4W ．如果要使灯B正常�光求1R1应 sketch template

如图所示电源电压为10V保持不变灯L的电阻为20Ω�动变阻器的最大阻值为30Ω求1电流表的最小示数2电路中的电流最小时灯 sketch template

如图所示的电路中灯泡L1L2上分别标有“6V 3W “6V 9W 的字样两灯泡的电阻电源电压均保持不变．当开关S1闭合S2拔至a时 sketch template

在如图所示的电路中电源电压不变．闭合电键K后灯LlL2都�光．一段时间后其中的一盏灯突然熄灭而电压表V1的示数变大电压表V2的示数 sketch template

如图所示的电路中电源电压保持不变R为定值电阻当开关闭合时标有“6V 3W 的小灯泡L恰好正常�光若保持R不变将L换成另一只标有 sketch template

如图所示电路电源电压为3V闭合开关S1S2电流表A1示数为02A电流表A2的示数为06A则灯L1的电阻为 Ω当开关S2断开时 sketch template

如图甲所示电路电源电压为6V当S闭合时电压表的读数如图乙所示L1两端的电压为 VL2两端的电压为 V．题目和参考答案——青夏教育 sketch template

题目如图所示的电路中电源电压恒为3V灯泡L1标有“3V 3W L2标有“6V 的字样电流表的量程为0 06A电压表的量程 sketch template

如图3所示电路电源电压保持不变开关S闭合后灯L能够�光当�片P�右�动的过程中下列判断中错误的是 A灯L变亮电压表V示数变大 B sketch template

如图所示电路中电源电压为3伏灯泡L1L2阻值分别为12欧和3欧甲乙两处可分别接入电流表或电压表则下列说法中正确的是 A．断开 sketch template

11．在如图所示的电路中电源电压为6V开关闭合后电灯LlL2均不�光用电压表逐段测量结果是Uab=0VUad=6VUbc sketch template

如图所示电路电源电压不变灯泡L标有“6V 3W 字样．当S闭合S1S2断开�片P从b端�到中点时电流表的示数变化了01A此时 sketch template

题目如图所示的电路中电源电压为 6V且保持不变�动变阻器 R 的规格为“40Ω 1A 定值电阻 R1的规格为“10Ω 05A 只 sketch template

题目如图所示的电路电源电压为 3 伏并保持不变定值电阻 R1 的阻值为 30 欧姆．当电键 S 闭合时电流表 A1 的示数为 04 sketch template

如图所示电路电源电压U不变当开关S1S2S3都闭合时电路处于选填“断路 “短路或“通路状态若只闭合开关S2小灯泡L1 sketch template

如图所示，电源电压恒为18V，定值电阻R1=20Ω，�动变阻器R2标有“40Ω 05A”，电流表A的量程为006A，电压表量程为0 sketch template

如图所示电路中设电源两端电压不变灯L的电阻不随温度变化．闭合开关S在变阻器的�片P移动的过程中电流表A的最小示数为02A电压表V的 sketch template

如图所示电源电压是6V且不变S闭合后电压表示数为2V则灯L1两端的电压为2V灯L1与L2的电阻之比为21电流之比为11．题目和 sketch template

如图所示电路电源电压为3V当开关S闭合时却只有一只灯泡�光且电压表示数为3V由这现象可以判断电路的故障是 A灯Ll短路 B sketch template

如图所示电路中电源电压不变当开关S断开时V1的示数为5 VV2的示数为7 V当开关S闭合时V1的示数为9 VV2的示数为54 sketch template

如图所示的电路中电源电压为6V且保持不变图中电压表示数为2V灯L2的电阻是4Ω则通过灯Ll的电流强度为 A灯L1电阻值为 Ω sketch template

如图所示的电路电源电压为3V闭合开关电压表示数为1V求1灯泡L1两端的电压2灯泡L2两端的电压3流过灯泡L1与L2的 sketch template

如图所示电路电源电压恒为6V定值电阻R1为10Ω�动变阻器R2的规格为“20Ω 05A 电压表量程为0 3V电流表量程为0 0 sketch template

如图所示的电路中电源电压保持不变．当�动变阻器的�片P�右�动时 电流表和电压表的示数变化情况是 A．电流表和电压表的示数都变大 sketch template

如图所示的电路电压表V1的示数为45V则灯L1两端的电压为 电压表V2的示数是 电源电压是．题目和参考答案——青夏教育精英家教�—— sketch template

如图所示电路中电源电压恒为12V电流表A1A2的量程分别为06A3A�动变阻器R2标有“2A 50Ω 字样将�动变阻器�片P调到 sketch template

如图8所示的电路电源电压保持不变闭合开关S调节华东变阻器两电压表的示数随电路中电流变化的图线如图9所示根据图线的信息可知是电压 sketch template

如图所示的电路中，电源电压保持不变。闭合开关S后，�片P从b端移动到a端的过程，电压表示数U与电流表示数I的关系图像如图所示。下列说法正确的是（ sketch template

在如图所示的电路中电源电压保持不变闭合开关S当�动变阻器的�片�右移动时则 A．电压表的示数变大B．电流表的示数变大C．电阻R的功率不 sketch template

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